<div>
<{$hello}>
</div>
<div>
<{if $num > 3}>
大于3
<{elseif $num == 3}>
等于三
<{elseif $num > 0 && $num < 3}>
小于3 
<{else}>
其它 
<{/if}>   
</div>
<div>
<{foreach key=$k item=$v from=$arr}>
<{$v}><BR>
<{/foreach}> 
</div>
<div>

</div>
